Lite-On DVD1270I. CD write speed: 48 x, CD rewrite speed: 48 x, DVD+R write speed: 24 x. CD read speed: 48 x, DVD+R read speed: 24 x, DVD-R read speed: 24 x. Disc loading type: Tray, Interface: Serial ATA, Mounting: Horizontal. Weight: 0.7 kg. Power requirements: DC 12 V